Changes in the configuration could cause PSR to be compatible and enabled so driver must also be able to disable DRRS when doing fastsets.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109263 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108341 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109263 Cc: Hans de Goede <hdego...@redhat.com> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com> Signed-off-by: José Roberto de Souza <jose.so...@intel.com> --- drivers/gpu/drm/i915/intel_ddi.c | 2 +- drivers/gpu/drm/i915/intel_dp.c | 63 ++++++++++++++++++++++++++++---- drivers/gpu/drm/i915/intel_drv.h | 2 + 3 files changed, 59 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 49fd45c9185e..6be9be6b14c6 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -3557,7 +3557,7 @@ static void intel_ddi_update_pipe_dp(struct intel_encoder *encoder, struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base); intel_psr_update(intel_dp, crtc_state); - intel_edp_drrs_enable(intel_dp, crtc_state); + intel_edp_drrs_update(intel_dp, crtc_state); intel_panel_update_backlight(encoder, crtc_state, conn_state); } diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 9f979ac0b692..12f425288565 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -6455,6 +6455,15 @@ static void intel_dp_set_drrs_state(struct drm_i915_private *dev_priv, DRM_DEBUG_KMS("eDP Refresh Rate set to : %dHz\n", refresh_rate); } +static void +intel_edp_drrs_enable_locked(struct intel_dp *intel_dp) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + dev_priv->drrs.busy_frontbuffer_bits = 0; + dev_priv->drrs.dp = intel_dp; +} + /** * intel_edp_drrs_enable - init drrs struct if supported * @intel_dp: DP struct @@ -6480,14 +6489,25 @@ void intel_edp_drrs_enable(struct intel_dp *intel_dp, goto unlock; } - dev_priv->drrs.busy_frontbuffer_bits = 0; - - dev_priv->drrs.dp = intel_dp; + intel_edp_drrs_enable_locked(intel_dp); unlock: mutex_unlock(&dev_priv->drrs.mutex); } +static void +intel_edp_drrs_disable_locked(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + if (dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) + intel_dp_set_drrs_state(dev_priv, crtc_state, + intel_dp->attached_connector->panel.fixed_mode->vrefresh); + + dev_priv->drrs.dp = NULL; +} + /** * intel_edp_drrs_disable - Disable DRRS * @intel_dp: DP struct @@ -6508,16 +6528,45 @@ void intel_edp_drrs_disable(struct intel_dp *intel_dp, return; } - if (dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) - intel_dp_set_drrs_state(dev_priv, old_crtc_state, - intel_dp->attached_connector->panel.fixed_mode->vrefresh); + intel_edp_drrs_disable_locked(intel_dp, old_crtc_state); - dev_priv->drrs.dp = NULL; mutex_unlock(&dev_priv->drrs.mutex); cancel_delayed_work_sync(&dev_priv->drrs.work); } +/** + * intel_edp_drrs_update - Update DRRS state + * @intel_dp: Intel DP + * @crtc_state: new CRTC state + * + * This function will update DRRS states, disabling or enabling DRRS when + * executing fastsets. For full modeset, intel_edp_drrs_disable() and + * intel_edp_drrs_enable() should be called instead. + */ +void +intel_edp_drrs_update(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + if (dev_priv->drrs.type != SEAMLESS_DRRS_SUPPORT) + return; + + mutex_lock(&dev_priv->drrs.mutex); + + if (crtc_state->has_drrs == !!dev_priv->drrs.dp) + goto unlock; + + if (crtc_state->has_drrs) + intel_edp_drrs_enable_locked(intel_dp); + else + intel_edp_drrs_disable_locked(intel_dp, crtc_state); + +unlock: + mutex_unlock(&dev_priv->drrs.mutex); +} + static void intel_edp_drrs_downclock_work(struct work_struct *work) { struct drm_i915_private *dev_priv = diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 4ba01a947d0f..9e786b30bdd4 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1854,6 +1854,8 @@ void intel_edp_drrs_enable(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state); void intel_edp_drrs_disable(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state); +void intel_edp_drrs_update(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv, unsigned int frontbuffer_bits); void intel_edp_drrs_flush(struct drm_i915_private *dev_priv, -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
